Activation keyboard, particularly for motor-vehicle climate...

Details Activation keyboard, particularly for motor-vehicle climate... Activation keyboard, particularly for motor-vehicle climate...

1999-11-09

2001-01-30

Friedhofer, Michael (Department: 2832)

Electricity: circuit makers and breakers

Solid contact

Push button operated

C200S296000, C200S341000, C200S0050EA

Reexamination Certificate

active

06180904

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention concerns an activation keyboard, especially for a motor-vehicle climate control device for being installed from a front side of a dashboard instrument panel, which keyboard includes a housing in which a circuit board having electric and electronic components thereon is arranged, with a plurality of keys, or buttons, of the keyboard acting on switches of the circuit board.
Such a keyboard is disclosed in German patent document DE 43 44 054 C2, but this keyboard has a large depth, which is troublesome in some applications. Moreover, there is a need for a keyboard having a structure that can be assembled from its individual parts without further connecting elements such as screws, rivets or the like.
Thus, it is an object of this invention to provide a keyboard of the type described in the opening paragraph above having a small depth and allowing an uncomplicated mounting without the use of connecting elements.
SUMMARY OF THE INVENTION
According to principles of this invention, a keyboard of the general type described above has keys, or buttons, having guide projections which, when the keys are pushed from an operating side, are shoved along guide plates, or stemples with motion of each key being restricted by a locator, the locator having two stops which restrict the motion of the key between the two stops and with a switch activated by the key being switched ON and OFF within this motion. Advantageous embellishments are also possible.


REFERENCES:
patent: 4635354 (1987-01-01), Chrobak et al.
patent: 4816961 (1989-03-01), Saulgeot et al.
patent: 4918271 (1990-04-01), Deeg
patent: 5120923 (1992-06-01), Kato et al.
patent: 5565865 (1996-10-01), So
patent: 5570114 (1996-10-01), Fowler
patent: 5588760 (1996-12-01), So
patent: 5821490 (1998-10-01), Blossfeld
patent: 5887704 (1999-03-01), Schorpp et al.
patent: 5941373 (1999-08-01), Cheng
patent: 41 12 646 A1 (1992-02-01), None
patent: 43 44 054 C2 (1995-06-01), None
patent: 44 10 512 A1 (1995-10-01), None
patent: 196 27 213 C1 (1997-11-01), None
patent: 0 157 037 A2 (1985-10-01), None
patent: 2 150 722 (1985-07-01), None

Affiliated with

Also associated with

Rating

Activation keyboard, particularly for motor-vehicle climate... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Activation keyboard, particularly for motor-vehicle climate..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Activation keyboard, particularly for motor-vehicle climate... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2449662